Dictionary of Nomenclature of Celestial Objects
(Last update: 23-Oct-2020)

Result of query: info cati TDSC$

Details on Acronym:   TDS
   TDS (Tycho Double Star) ***** Avoid the usage of TDS, prefer TDSC Originof the Acronym: L (2004IBVS.5501....1W)
Details on Acronym:   TDSC
   TDSC (Tycho Double Star Catalogue)= (TDS) Write:<<TDSC NNNNN AA>> N: about 100000 Object:*  (SIMBAD class: Star) Note:The TDSC contains new and existing double/multiple star results (astrometry and BT,VT photometry for components) derived from Tycho data from the ESA Hipparcos satellite.
Included are more than 13000 discoveries; 4000 systems not previously resolved by Tycho; doubles from Tycho-1 and Tycho-2; supplemented with Hipparcos data for non Tycho stars.
Each system has a running number (NNNNN) and the components have one or two letter designations, as far as possible consistent with their WDS designations. Ref:=2002A&A...384..180F byFABRICIUS C. , HOG E., MAKAROV V.V., MASON B.D., WYCOFF G.L., URBAN S.E. Astron. Astrophys., 384, 180-189 (2002) The Tycho double star catalogue. oCatalogue: <TDSC NNNNN AA> N=98482. =E=Catalogue in electronic form as I/276 Originof the Acronym: p = Pre-registered to IAU Comm.5

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